top of page

How to Choose the Right Grade of TMT Rods for Your Building Project

When embarking on a building project, one of the most critical decisions you'll make is selecting the right grade of TMT rods. These rods are the backbone of your structure, providing the necessary tensile strength and stability. With numerous options available, it's essential to choose a product that guarantees quality, durability, and cost-effectiveness. In this regard, AMBA Shakti SD TMT Bars and AMBA Shakti Flexion TMT Bars stand out as superior choices.

Understanding TMT Rod Grades

TMT rods come in various grades, each suited to different types of construction projects. The grade reflects the yield strength, ductility, and tensile strength of the steel, which are crucial factors in determining how well the structure will withstand various stresses, including earthquakes. For projects requiring high resistance to seismic activity, choosing a super ductile grade like AMBA Shakti SD TMT Bars is imperative.

Features of AMBA Shakti SD TMT Bars

AMBA Shakti SD TMT Bars are manufactured with controlled raw materials, ensuring no compromise on quality. Their earthquake-resistant properties make them an ideal choice for regions prone to seismic activity. The unique no-twist straight mill rolling process eliminates distortion, resulting in perfectly shaped bars that provide a strong foundation for your building.

The use of CNC notching ensures uniformity in steel, enhancing its bonding with cement. High-speed steel (HSS) rolls contribute to a higher pass life, increased production, and a superior finish. Full automation of the mill allows for exceptional quality control and improved productivity.

One of the standout features of AMBA Shakti SD TMT Bars is the hot charging technique, which bypasses the need for a reheating furnace (RF Furnace), leading to significant energy savings and reduced production costs. This translates to approximately 20% savings in steel costs compared to local quality steel.

Moreover, the bars are produced using Thermax® Patented Technology and are handled by highly qualified staff and engineers, ensuring that the highest quality standards are maintained.

Advantages of AMBA Shakti Flexion TMT Bars

AMBA Shakti Flexion TMT Bars share all the salient features of the SD variant but are specifically designed to compete with primary steel manufacturers. They offer the added benefit of cost savings due to lower overheads of a smaller organization.

Produced through the Ladle Refining Furnace (LRF) route, AMBA Shakti Flexion TMT Bars boast refined steel with purer chemistry and the removal of tramp elements that could negatively impact the steel's quality. This results in better tensile strength, yield strength, and elongation properties.

Flexion material is particularly suitable for complex and critical structures such as high-rise buildings, dams, airports, and megastructures, where the highest level of structural integrity is required.

Making the Right Choice

When choosing between AMBA Shakti SD TMT Bars and AMBA Shakti Flexion TMT Bars, consider the complexity and requirements of your project. Both options promise enhanced earthquake resistance, superior quality, and cost savings. However, for the most demanding projects, Flexion offers that extra edge in terms of purity and suitability for critical structures.


In conclusion, selecting the right grade of TMT rods is a decision that should not be taken lightly. By opting for AMBA Shakti SD or Flexion TMT Bars, you are investing in the longevity and safety of your structure. Remember, the right foundation is not just about today's construction but also about securing tomorrow's legacy.



bottom of page